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Finding the Fourth Proportional to 54.72, 82.08 and 24.29

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Solution

The fourth proportional to 54.72, 82.08 and 24.29 is: 36.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.72 : 82.08 = 24.29 : x
  2. Step 2: Convert to fraction form
    54.72/82.08 = 24.29/x
  3. Step 3: Cross multiply
    54.72x = 82.08 × 24.29
  4. Step 4: Simplify right side
    54.72x = 1,993.72
  5. Step 5: Solve for x
    x = 1,993.72/54.72
  6. Step 6: Final answer
    x = 36.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.